Piezoelectric vibration device



FIG. 1 is a top and front perspective view of a piezoelectric vibrationdevice of the present invention;

FIG. 2 is a top and rear perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a first side view thereof;

FIG. 8 is a second side view thereof;

FIG. 9 is a cross section view taken along the line 9-9 of FIG. 3;

FIG. 10 is a cross section view taken along the line 10-10 of FIG. 3;

FIG. 11 is an enlarged view of the area denoted by lines 11-11 of FIG.1; and,

FIG. 12 is an enlarged view of the area denoted by lines 12-12 of FIG.2.

The broken lines shown represent unclaimed subject matter and form nopart of the claimed design. Additionally, the unevenly broken lines inthe drawings define the limits of the claimed design.

CLAIM The ornamental design for a piezoelectric vibration device, asshown and described.